java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-multidimensional/diff-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:25:10,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:25:10,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:25:10,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:25:10,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:25:10,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:25:10,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:25:10,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:25:10,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:25:10,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:25:10,934 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:25:10,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:25:10,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:25:10,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:25:10,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:25:10,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:25:10,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:25:10,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:25:10,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:25:10,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:25:10,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:25:10,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:25:10,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:25:10,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:25:10,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 16:25:10,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 16:25:10,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 16:25:10,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 16:25:10,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 16:25:10,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 16:25:10,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:25:10,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:25:10,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:25:10,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:25:10,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:25:10,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:25:10,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:25:10,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:25:10,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:25:10,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:25:10,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:25:10,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-09 16:25:10,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:25:10,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:25:10,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:25:10,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:25:10,981 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:25:10,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:25:10,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:25:10,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:25:10,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:25:10,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:25:10,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:25:10,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:25:10,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:25:10,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:25:10,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:25:10,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:25:10,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:25:10,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:25:10,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:25:10,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:25:10,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:25:10,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:25:10,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:25:10,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:25:10,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:25:10,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:25:10,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:25:10,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:25:10,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:25:11,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:25:11,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:25:11,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:25:11,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:25:11,045 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:25:11,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/diff-3-n-u.c [2019-08-09 16:25:11,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab289569/78baf1ff1ac94cbba1e068909a6bb1fc/FLAG7bceb7a76 [2019-08-09 16:25:11,624 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:25:11,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/diff-3-n-u.c [2019-08-09 16:25:11,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab289569/78baf1ff1ac94cbba1e068909a6bb1fc/FLAG7bceb7a76 [2019-08-09 16:25:11,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab289569/78baf1ff1ac94cbba1e068909a6bb1fc [2019-08-09 16:25:12,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:25:12,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:25:12,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:12,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:25:12,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:25:12,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:11" (1/1) ... [2019-08-09 16:25:12,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54abf18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12, skipping insertion in model container [2019-08-09 16:25:12,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:11" (1/1) ... [2019-08-09 16:25:12,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:25:12,044 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:25:12,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:12,260 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:25:12,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:12,311 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:25:12,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12 WrapperNode [2019-08-09 16:25:12,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:12,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:25:12,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:25:12,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:25:12,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:12,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:25:12,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:25:12,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:25:12,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:25:12,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:25:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:25:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:25:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-09 16:25:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:25:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:25:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 16:25:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-09 16:25:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:25:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:25:12,864 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:25:12,865 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-09 16:25:12,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:12 BoogieIcfgContainer [2019-08-09 16:25:12,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:25:12,867 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:25:12,867 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:25:12,868 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:25:12,869 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:12" (1/1) ... [2019-08-09 16:25:13,945 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-08-09 16:25:14,170 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-08-09 16:25:14,500 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:25:14,509 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:25:14,511 INFO L168 Benchmark]: Toolchain (without parser) took 2506.16 ms. Allocated memory was 140.5 MB in the beginning and 226.0 MB in the end (delta: 85.5 MB). Free memory was 86.3 MB in the beginning and 131.5 MB in the end (delta: -45.2 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,512 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.02 ms. Allocated memory is still 140.5 MB. Free memory was 86.1 MB in the beginning and 75.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,514 INFO L168 Benchmark]: Boogie Preprocessor took 141.00 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 177.1 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,515 INFO L168 Benchmark]: RCFGBuilder took 412.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,516 INFO L168 Benchmark]: Symbolic Interpretation took 1641.71 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 158.4 MB in the beginning and 131.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:14,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 842#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.02 ms. Allocated memory is still 140.5 MB. Free memory was 86.1 MB in the beginning and 75.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.00 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 177.1 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1641.71 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 158.4 MB in the beginning and 131.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...